diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/gen8_draw_upload.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/gen8_draw_upload.c b/src/mesa/drivers/dri/i965/gen8_draw_upload.c index 2bac5ffb058..1b48643e577 100644 --- a/src/mesa/drivers/dri/i965/gen8_draw_upload.c +++ b/src/mesa/drivers/dri/i965/gen8_draw_upload.c @@ -246,13 +246,24 @@ gen8_emit_vertices(struct brw_context *brw) } ADVANCE_BATCH(); - for (unsigned i = 0; i < brw->vb.nr_enabled; i++) { + for (unsigned i = 0, j = 0; i < brw->vb.nr_enabled; i++) { const struct brw_vertex_element *input = brw->vb.enabled[i]; const struct brw_vertex_buffer *buffer = &brw->vb.buffers[input->buffer]; + unsigned element_index; + + /* The edge flag element is reordered to be the last one in the code + * above so we need to compensate for that in the element indices used + * below. + */ + if (input == gen6_edgeflag_input) + element_index = nr_elements - 1; + else + element_index = j++; BEGIN_BATCH(3); OUT_BATCH(_3DSTATE_VF_INSTANCING << 16 | (3 - 2)); - OUT_BATCH(i | (buffer->step_rate ? GEN8_VF_INSTANCING_ENABLE : 0)); + OUT_BATCH(element_index | + (buffer->step_rate ? GEN8_VF_INSTANCING_ENABLE : 0)); OUT_BATCH(buffer->step_rate); ADVANCE_BATCH(); } |